During an earthquake, which type of waves get generated?

Consider: I. Earthquake waves are basically of two types: body waves and surface waves. II. The body waves interact with the surface rocks and generate surface waves. Which is/are correct?

Which one of the following statements about earthquake waves is not correct?

Which one of the following earthquakes is very severe and disastrous ?

Which of the following is not cause of origin of Earthquakes?

Which one of the following statements about primary waves of earthquakes is not correct?